144477 has 8 divisors (see below), whose sum is σ = 214080. Its totient is φ = 96300.

The previous prime is 144461. The next prime is 144479. The reversal of 144477 is 774441.

144477 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144477 - 2⁴ = 144461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 5351 = 144477 / (1 + 4 + 4 + 4 + 7 + 7).

It is an Ulam number.

It is a plaindrome in base 10 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 144477.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 144477.

It is not an unprimeable number, because it can be changed into a prime (144479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2649 + ... + 2702.

It is an arithmetic number, because the mean of its divisors is an integer number (26760).

2¹⁴⁴⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

144477 is a deficient number, since it is larger than the sum of its proper divisors (69603).

144477 is an equidigital number, since it uses as much as digits as its factorization.

144477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5360 (or 5354 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 144477 is about 380.1013022866. The cubic root of 144477 is about 52.4726388040.

It can be divided in two parts, 1444 and 77, that added together give a square (1521 = 39²).

The spelling of 144477 in words is "one hundred forty-four thousand, four hundred seventy-seven", and thus it is an iban number.